diff --git a/docs-assets/screenshots/script.js b/docs-assets/screenshots/script.js
index 86b844c7f6..fe05fc73c3 100644
--- a/docs-assets/screenshots/script.js
+++ b/docs-assets/screenshots/script.js
@@ -1,4 +1,4 @@
-let schema = require('./schema.js')
+const schema = require('./schema.js')
 
 for (const [file, screenshot] of Object.entries(schema)) {
     console.log(`${file}: ${screenshot}`);